TouchPad module
Table 6-11 TouchPad module part descriptions and part numbers
Description Spare part number
TouchPad module L20449-001
TouchPad module cable L20450-001
TouchPad button board cable L20451-001
Before removing the TouchPad module, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 33).
2. Remove the optical drive (see Optical drive on page 34).
3. Remove the bottom cover (see Bottom cover on page 38).
4. Remove the battery (see Battery on page 41).
To remove the TouchPad module:
1. Disconnect the TouchPad cable from the ZIF connector on the TouchPad (1) and the TouchPad button
board cable from the ZIF connector on the system board (2).
2. Peel the tape o the TouchPad (1).
3. Starting in the corner, use a plastic, non-marking tool to pry up the TouchPad module to disengage the
adhesive that secures it to the top cover (2)
54 Chapter 6 Removal and replacement procedures for authorized service provider parts